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[PATCH] etc: Add copyright.


From: Oleg Pykhalov
Subject: [PATCH] etc: Add copyright.
Date: Wed, 20 Dec 2017 17:40:20 +0300

>From f8df6a8059878e9b61c7b211e854194c56c74efc Mon Sep 17 00:00:00 2001
From: Oleg Pykhalov <address@hidden>
Date: Wed, 20 Dec 2017 16:57:37 +0300
Subject: [PATCH] etc: Add copyright.

* etc/copyright.el: New file.
* doc/contributing.texi (The Perfect Setup): Document copyright.
---
 doc/contributing.texi | 27 +++++++++++++++++++++++++++
 etc/copyright.el      | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 etc/copyright.el

diff --git a/doc/contributing.texi b/doc/contributing.texi
index 01f8aad9f..5b72b1c40 100644
--- a/doc/contributing.texi
+++ b/doc/contributing.texi
@@ -221,6 +221,33 @@ trigger string @code{origin...}, which can be expanded 
further.  The
 @code{origin} snippet in turn may insert other trigger strings ending on
 @code{...}, which also can be expanded further.
 
address@hidden insert or update copyright
address@hidden @code{M-x guix-copyright}
address@hidden @code{M-x copyright-update}
+Additionaly we provide insertion and automatic update of a copyright in
address@hidden/copyright.el}.  You may want to set your full name, mail, and
+load a file.
+
address@hidden
+(setq user-full-name "NAME")
+(setq user-mail-address "EMAIL")
+;; @r{Assuming the Guix checkout is in ~/src/guix.}
+(load-file "~/src/guix/etc/copyright.el")
address@hidden lisp
+
+To insert a copyright at the current line invoke @code{M-x guix-copyright}.
+
+To update a copyright you need to specify a @code{copyright-names-regexp}.
+
address@hidden
+(setq copyright-names-regexp
+      (format "%s <%s>" user-full-name user-mail-address))
address@hidden lisp
+
+You can check if your copyright is up to date by evaluating @code{M-x
+copyright-update}.  If you want to do it automatically after each buffer
+save then add @code{(add-hook 'after-save-hook 'copyright-update)} in
+Emacs.
 
 @node Coding Style
 @section Coding Style
diff --git a/etc/copyright.el b/etc/copyright.el
new file mode 100644
index 000000000..9f6b773b1
--- /dev/null
+++ b/etc/copyright.el
@@ -0,0 +1,34 @@
+;;; copyright.el --- Insert a Guix copyright.
+
+;; Copyright © 2017 Oleg Pykhalov <address@hidden>
+
+;; This file is part of GNU Guix.
+
+;; GNU Guix is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Guix is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; This package provides skeleton to insert a copyright with `guix-copyright'.
+
+;;; Code:
+
+(define-skeleton guix-copyright
+  "Insert a copyright by $USER notice at cursor."
+  "FULL_NAME <MAIL_ADDRESS>: "
+  comment-start
+  ";; Copyright © " `(format-time-string "%Y") " "
+  (or (format "%s <%s>" user-full-name user-mail-address) str)
+  comment-end)
+
+;;; copyright.el ends here
-- 
2.15.1




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